See Also: nocturn(1)(dictionary)
nocturn(2)(dictionary)

nocturn(2) (iou)



nocturn noun. ME.
[Old & mod. French nocturne or ecclesiastical Latin nocturnus, -um use as noun of Latin nocturnus of the night, from noct-, nox night. Cf. NOCTURNE.]
Roman Catholic Church. Each of three divisions of the traditional office of matins, including a group of psalms; in pl. also, matins. Formerly also, each of seven groups of psalms into which the Psalter was divided.